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Computer Aptitude > Networking

NETWORKING MISCELLANEOUS MCQs

Total Questions : 411 | Page 39 of 42 pages
Question 381. Switching at the network layer in the Internet uses the datagram approach to:
  1.    Message switching
  2.    Circuit switching
  3.    IP switching
  4.    Packet switching
 Discuss Question
Answer: Option D. -> Packet switching
Question 382. Which is also known as a connectionless protocol for a packet-switching network that uses the Datagram approach?
  1.    IPV5
  2.    IPV4
  3.    IPV6
  4.    None of these
 Discuss Question
Answer: Option B. -> IPV4
Question 383. Which switch is a multistage switch with micro switches at each stage that route the packets based on the output port represented as a binary string?
  1.    Banyan switch
  2.    Crossbar switch
  3.    Multistage crossbar
  4.    Packet switch
 Discuss Question
Answer: Option A. -> Banyan switch
Question 384. How many digits of the DNIC (Data Network Identification Code) identify the country?
  1.    first three
  2.    first four
  3.    first five
  4.    first six
  5.    None of the above
 Discuss Question
Answer: Option A. -> first three
Question 385. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
  1.    hot potato routing
  2.    flooding
  3.    static routing
  4.    delta routing
  5.    None of the above
 Discuss Question
Answer: Option A. -> hot potato routing
Question 386. The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
  1.    0.003
  2.    0.009
  3.    0.991
  4.    0.999
  5.    None of the above
 Discuss Question
Answer: Option B. -> 0.009
Question 387. Frames from one LAN can be transmitted to another LAN via the device
  1.    Router
  2.    Bridge
  3.    Repeater
  4.    Modem
  5.    None of the above
 Discuss Question
Answer: Option B. -> Bridge
Question 388. Which of the following condition is used to transmit two packets over a medium at the same time?
  1.    Contention
  2.    Collision
  3.    Synchronous
  4.    Asynchronous
  5.    None of the above
 Discuss Question
Answer: Option B. -> Collision
Question 389. You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
  1.    255.240.0.0
  2.    255.248.0.0
  3.    255.252.0.0
  4.    255.254.0.0
  5.    255.255.255.255
 Discuss Question
Answer: Option D. -> 255.254.0.0
Question 390. What are the most commonly used transmission speeds in BPS used in data communication?
  1.    300
  2.    1200
  3.    2400
  4.    9600
  5.    None of the above
 Discuss Question
Answer: Option D. -> 9600

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